Valev, Ventsislav K., primary, Denkova, Denitza, additional, Zheng, Xuezhi, additional, Kuznetsov, Arseniy I., additional, Reinhardt, Carsten, additional, Chichkov, Boris N., additional, Tsutsumanova, Gichka, additional, Osley, Edward J., additional, Petkov, Veselin, additional, De Clercq, Ben, additional, Silhanek, Alejandro V., additional, Jeyaram, Yogesh, additional, Volskiy, Vladimir, additional, Warburton, Paul A., additional, Vandenbosch, Guy A. E., additional, Russev, Stoyan, additional, Aktsipetrov, Oleg A., additional, Ameloot, Marcel, additional, Moshchalkov, Victor V., additional, and Verbiest, Thierry, additional